package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.time.Duration;
import java.util.Map;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 发送验证码
     * @param user
     * @param session
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) {
        String phone = user.getPhone();
        //判断验证码中是否存在验证码,如果存在,提示验证码已发送
        if (redisTemplate.hasKey(phone)){
           return R.error("验证码已发送");
        }
        if (StringUtils.isNotEmpty(phone)) {
            //生成4位随机验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            //String code = "123456";
            log.info("code={}", code);
            //发送短信验证码
            //SMSUtils.sendMessage("瑞吉外卖","",phone,code);
            //session.setAttribute(phone, code);
            //将短信验证码存入redis key:phone  value:code 并且设置有效期五分钟
            redisTemplate.opsForValue().set(phone,code, Duration.ofMinutes(5));
            return R.success("手机验证码短信发送成功");
        }
        return R.error("短信发送失败");
    }

    /**
     * 登录
     * @param map
     * @param session
     * @return
     */

    @PostMapping("/login")
    public R<User> login(@RequestBody Map<String, String> map, HttpSession session) {

        String phone = map.get("phone").toString();
        String code = map.get("code").toString();
        Object codeInSession = redisTemplate.opsForValue().get(phone);
        //Object codeInSession = session.getAttribute(phone);
        if (codeInSession != null && codeInSession.equals(code)) {
            LambdaQueryWrapper<User> lqw = new LambdaQueryWrapper<>();
            lqw.eq(User::getPhone, phone);
            User user = userService.getOne(lqw);
            if (user == null) {
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user", user.getId());
            redisTemplate.delete(phone);
            return R.success(user);
        }

        return R.error("登陆失败");
    }

    @PostMapping("/loginout")
    public R<String> loginout(){


        return R.success("退出成功");
    }


}
